Its Anti-Yellow Molecules for clear blonde results. Multi-purpose applicability with up to 7 levels of lift.PRODUCT INFORMATION SHEETKey FeaturesAnti Yellow Molecules for clear blonde resultsUp to 7 levels of liftHighly flexible through multipurpose application and different mixing ratiosMixing RecommendationMix with Welloxon Perfect Pastel, 6%, 9%, or 12% in a non-metallic bowl.Mix in a ratio of 1:1,5 up to 1:2 (not 1:1)If there is contact with the scalp (global or root application), use Welloxon Perfect Pastel or 6% only.Application & Development TimeApply to dry hair that has not been pre-shampooed.The development of bleach is visual and is dependent on the depth of color and porosity of hair.Check hair every 5-10 minutes.The maximum total development time is 50 minutes.1st-time application: Apply mass to mid-lengths and ends first, and to root area as a second step.Emulsify the bleach with a little warm water and rinse out well.